Skip to product information
Ships in 2–4 business days.
New Coupling Assy 20T-01-31110 for Komatsu Excavator PC40-3 PC40-5 PC40-6 PC40-7
$109.99
Sale price
$109.99
Regular price
Available to order.
Fast & FREE Shipping! Estimated delivery between
Not sure which part fits your equipment?
Our parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This Komatsu PC40-3/5/6/7 Excavator Coupling Assembly (part number 20T-01-31110) is a reliable aftermarket replacement designed to restore optimal performance. Crafted to meet or exceed OEM specifications, it ensures a perfect fit and durable operation for your excavator. Ideal for maintenance or repair, this coupling assembly helps keep your machinery running smoothly. Please note, this is an aftermarket part and not an original Komatsu OEM component. Enhance your excavator’s efficiency with this quality replacement part today Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.
Frequently Asked Questions
Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance specifications of the original equipment.
How do I confirm compatibility?
Please verify that your model is listed in the compatible models section and compare any available reference part numbers with your existing component before purchase.
Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.